You control at least three other nontoken creatures that can attack this turn.
An opponent is unable to block and kill creatures you control.
Steps
Declare
Najeela,
Sophina, and at least three other nontoken creatures as attackers.
Sophina and
Najeela trigger.
Resolve the
Sophina trigger, creating at least five 1/1 Squirrel creature tokens and five Clue tokens.
Resolve the
Najeela trigger, creating at least one 1/1 Warrior creature token that is tapped and attacking.
Activate
Phyrexian Altar five times by sacrificing five creature tokens, adding ({W} magic symbol) ({U} magic symbol) ({B} magic symbol) ({R} magic symbol) ({G} magic symbol) .
Activate
Najeela by paying ({W} magic symbol) ({U} magic symbol) ({B} magic symbol) ({R} magic symbol) ({G} magic symbol) , untapping all attacking creatures, giving them trample, lifelink and haste, and gaining an additional combat phase after this one.
Repeat each combat phase.
Results
Infinite card draw.
Infinite Clue tokens.
Infinite colored mana.
Infinite combat phases.
Infinite creature tokens.
Infinite death triggers.
Infinite draw triggers.
Infinite ETB.
Infinite lifegain.
Infinite lifegain triggers.
Infinite LTB.
Infinite sacrifice triggers.
Reduce any number of target creatures' toughness to 0.